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MHT CET Physics question

PhysicsMechanical Properties of FluidsMHT CET

Work done in increasing the size of a soap bubble from radius of 3 cm to 5 cm in milijoule is nearly (surface tension of soap solution = ) [MHT-CET 2021]

Answer: (A)

Solution

A soap bubble has two surfaces, so (r_2^2r_1^2)10^{-4}$ =

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Question ID VK-062286